期刊
IEEE ACCESS
卷 8, 期 -, 页码 171001-171008出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.3024599
关键词
Grounding; Lightning; Ground penetrating radar; Electric potential; Soil; Transient analysis; Artificially triggered lightning; lightning current; grounding grid; ground potential rise (GPR); impulse grounding resistance; transfer potential
资金
- National Key Research and Development Program of China [2017YFC1501506]
- Foundation of State Key Laboratory of Severe Weather [2018LASW-B14]
- National Natural Science Foundation of China [41775007]
It has been determined that the discharge of lightning current to ground through grounding grid results in high potential at the grounding grid and other nearby grounding grids, which is very destructive. In the present paper, based on artificially triggered lightning technology, the characteristics of the ground potential rise (GPR), the transient effect at the active grid under the transient impulse of lightning current was analyzed. The impulse grounding resistance is found to decrease for large input currents. On the other hand, for small input currents, it usually increases. In addition, the characteristics of the transfer potential of the passive grid which is located 40 m from the active grid were analyzed. It was shown that the peak value of the transfer potential at the passive grid was approximately 5.1% of the peak value of the ground potential at the active grid during the return stroke. The achievements made in this study may contribute toward the optimization of the simulation model.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据